Saqr, Khalid M. and Abdul Wahid, Mazlan and Mohd. Sies, Mohsin (2012) Highly-resolved large eddy simulation of the nonreacting flow in an asymmetric vortex combustor. In: 4Th International Meeting of Advances in Thermofluids (Imat 2011), Pt 1 and 2. American Institute of Physics, Maryland, New York, pp. 400-408. ISBN 978-073541032-9
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Official URL: http://dx.doi.org/10.1063/1.4704242
Abstract
In this paper, we present a computational investigation of the nonreacting flow structure inside a novel asymmetric vortex combustor that was recently proposed by the authors. Large Eddy Simulation using the Smagorinsky-Lilly subgrid turbulence closure has been used to study such flow. A computational grid of 2.22×106 cells was used to ensure that the resolved turbulence kinetic energy is fairly more than 80% of the total turbulence kinetic energy budget. The flow was found to exhibit a central recirculation zone, and two secondary recirculation zones in the asymmetry regions. The vortex structure was found to be a completely forced vortex field. The effect of turbulence on the size and structure of the statistically averaged mean flow phenomena has been analyzed as discussed.
| Item Type: | Book Section |
|---|---|
| Additional Information: | Indexed by Scopus |
| Uncontrolled Keywords: | combustion, flame aerodynamics, large eddy simulation, vortex |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Mechanical Engineering |
| ID Code: | 35799 |
| Deposited By: | INVALID USER |
| Deposited On: | 11 Nov 2013 09:51 |
| Last Modified: | 04 Feb 2017 06:12 |
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